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Definition of platypus - 4 dictionary results

plat⋅y⋅pus

[plat-i-puhs, -poos]
–noun, plural -pus⋅es, -pi [-pahy] .
a small, aquatic, egg-laying monotreme, Ornithorhynchus anatinus, of Australia and Tasmania, having webbed feet, a tail like that of a beaver, a sensitive bill resembling that of a duck, and, in adult males, venom-injecting spurs on the ankles of the hind limbs, used primarily for fighting with other males during the breeding season.
Also called duckbill, duckbilled platypus.


Origin:
1790–1800; < NL < Gk platýpous flat-footed, equiv. to platy- platy- + -pous, adj. deriv. of poús foot
plat·y·pus   (plāt'ĭ-pəs)   
n.   pl. plat·y·pus·es
A semiaquatic egg-laying mammal (Ornithorhynchus anatinus) of Australia and Tasmania, having a broad flat tail, webbed feet, and a snout resembling a duck's bill. Also called duckbill, duck-billed platypus.

[New Latin Platypūs, former genus name, from Greek platupous, flat-footed : platu-, platy- + pous, foot; see ped- in Indo-European roots.]

Platypus

Plat"y*pus\, n. [NL., fr. Gr. ? + ? foot.] (Zo["o]l.) The duck mole. See under Duck.

platypus 
1799, from Mod.L., from Gk. platypous, lit. "flat-footed," from platys "broad, flat" (see place (n.)) + pous "foot."
"Orig. the generic name, but, having already been given to a genus of beetles, it was in 1800 changed for Ornithorhyncus." [OED]
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